Struct rustc_mir::interpret::MPlaceTy

pub struct MPlaceTy<'tcx, Tag = ()> {
    mplace: MemPlace<Tag>,
    pub layout: TyAndLayout<'tcx>,
}

A MemPlace with its layout. Constructing it is only possible in this module.

Fields

mplace: MemPlace<Tag>

layout: TyAndLayout<'tcx>

Implementations

impl<'tcx, Tag> MPlaceTy<'tcx, Tag>

pub fn dangling(layout: TyAndLayout<'tcx>, cx: &impl HasDataLayout) -> Self

Produces a MemPlace that works for ZST but nothing else

pub fn replace_tag(self, new_tag: Tag) -> Self

Replace ptr tag, maintain vtable tag (if any)

pub fn offset(
    self,
    offset: Size,
    meta: MemPlaceMeta<Tag>,
    layout: TyAndLayout<'tcx>,
    cx: &impl HasDataLayout
) -> InterpResult<'tcx, Self>

pub(in interpret::place) fn from_aligned_ptr(
    ptr: Pointer<Tag>,
    layout: TyAndLayout<'tcx>
) -> Self

pub(in interpret) fn len(
    self,
    cx: &impl HasDataLayout
) -> InterpResult<'tcx, u64>

pub(in interpret) fn vtable(
    self
) -> Scalar<Tag>

Methods from Deref<Target = MemPlace<Tag>>

Trait Implementations

impl<'tcx, Tag: Clone> Clone for MPlaceTy<'tcx, Tag>

pub fn clone(&self) -> MPlaceTy<'tcx, Tag>

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'tcx, Tag: Copy> Copy for MPlaceTy<'tcx, Tag>

impl<'tcx, Tag: Debug> Debug for MPlaceTy<'tcx, Tag>

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'tcx, Tag> Deref for MPlaceTy<'tcx, Tag>

type Target = MemPlace<Tag>

The resulting type after dereferencing.

pub fn deref(&self) -> &MemPlace<Tag>

Dereferences the value.

impl<'tcx, Tag: Eq> Eq for MPlaceTy<'tcx, Tag>

impl<'tcx, Tag: Copy> From<MPlaceTy<'tcx, Tag>> for OpTy<'tcx, Tag>

pub fn from(mplace: MPlaceTy<'tcx, Tag>) -> Self

Performs the conversion.

impl<'tcx, Tag> From<MPlaceTy<'tcx, Tag>> for PlaceTy<'tcx, Tag>

pub fn from(mplace: MPlaceTy<'tcx, Tag>) -> Self

Performs the conversion.

impl<'tcx, Tag: Hash> Hash for MPlaceTy<'tcx, Tag>

pub fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

pub fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl<'tcx, Tag: PartialEq> PartialEq<MPlaceTy<'tcx, Tag>> for MPlaceTy<'tcx, Tag>

pub fn eq(&self, other: &MPlaceTy<'tcx, Tag>) -> bool

This method tests for self and other values to be equal, and is used by ==.

pub fn ne(&self, other: &MPlaceTy<'tcx, Tag>) -> bool

This method tests for !=.

impl<'tcx, Tag> StructuralEq for MPlaceTy<'tcx, Tag>

impl<'tcx, Tag> StructuralPartialEq for MPlaceTy<'tcx, Tag>

impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> Value<'mir, 'tcx, M> for MPlaceTy<'tcx, M::PointerTag>

pub fn layout(&self) -> TyAndLayout<'tcx>

Gets this value's layout.

pub fn to_op(
    self,
    _ecx: &InterpCx<'mir, 'tcx, M>
) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>>

Makes this into an OpTy.

pub fn from_mem_place(mplace: MPlaceTy<'tcx, M::PointerTag>) -> Self

Creates this from an MPlaceTy.

pub fn project_downcast(
    self,
    ecx: &InterpCx<'mir, 'tcx, M>,
    variant: VariantIdx
) -> InterpResult<'tcx, Self>

Projects to the given enum variant.

pub fn project_field(
    self,
    ecx: &InterpCx<'mir, 'tcx, M>,
    field: usize
) -> InterpResult<'tcx, Self>

Projects to the n-th field.